|Community|Currency|Region|Target date|Notes|
|---|---|---|---|---|
|Economic and Monetary Community of Central Africa (CEMAC)|Central African CFA franc|Africa||not yet functioning common market|
|West African Economic and Monetary Union (UEMOA)|West African CFA franc|Africa||not yet functioning common market|
|Gulf Cooperation Council (GCC)|Khaleeji|Middle East|2013|Possibly gold backed, but postponed due to the financial crisis.|
|East African Community (EAC)|East African shilling|Africa|2015|To be used by the future East African Federation|
|Caribbean Single Market and Economy (as part of the CARICOM)||Latin America /Caribbean|2015|To supplement the OECS Eastern Caribbean Currency Union|
|Southern African Customs Union (SACU)|South African Rand|Africa|2015|de facto for the CMA member when the SADC economic union is established|
|Southern African Development Community (SADC)|South African Rand (interim proposal)|Africa|2016|To supplement or succeed the CMA and Southern Africa Customs Union|
|South Asian Association for Regional Cooperation||South Asia|2016[citation needed]||
|Union of South American Nations (UNASUR)|Latino|Latin America /Caribbean|2019||
|Economic Community of Central African States (ECCAS)||Africa||To supplement the Economic and Monetary Community of Central Africa (CEMAC)|
|Economic Community of West African States (ECOWAS)||Africa||To succeed UEMOA and WAMZ|
|African Economic Community||Africa|2028|See African Monetary Union|
|Union State of Russia and Belarus|Russian ruble|Europe|||
|Arab League|Arab Dinar|Arab states||Arab Dinar has been proposed ever since the creation of the Arab Monetary Fund, expected for serious plans of doing so, after the creation of the proposed Arab Union.|

Question: what number of proposed communities would use the east african shilling currency?
Answer: 1